Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

Add Yahoo as a preferred source to see more of our stories on Google. Twins are uncommon in human history. Tesla Monson Our recent research suggests that twins were actually the norm much further back ...

A few teeth, smaller than a grain of rice, are changing the map of your earliest primate relatives. They come from a creature called Purgatorius, a tiny tree-dwelling mammal that lived about 66 ...

The story of primates is a tale of incredible variety and ancient roots, told through the lens of science, DNA, and time itself. These creatures, ranging from massive gorillas to tiny mouse lemurs, ...

Thirteen million years ago, a group of medium-sized monkeys known for guarding their territory among the treetops with fearsome "howls" started doing something new. These monkeys, among the oldest ...

Scientists have discovered new fossil teeth of the earliest known primate relative, Purgatorius. The find shows how ancient ...

Learn how newly discovered Purgatorius fossils in Colorado’s Denver Basin are filling gaps in the Paleocene fossil record and ...

Twins have been rare in human history and for that reason can seem special. Many cultures associate twins with health and vitality, while others see them as a philosophical reminder of the duality of ...

A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder. Squirrels and many other mammals, by contrast, tend to go headfirst.

Primate locomotion and evolution encompass the diverse adaptations that have enabled primates to negotiate complex arboreal environments. Throughout their evolutionary history, primates have acquired ...

When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Our recent research suggests that twins were actually the norm much further back in ...